Simple Definition of overactive
: too active especially in a way that produces a bad result
Full Definition of overactive
: excessively or abnormally active <overactive glands> <an overactive imagination>
overactivityplay \-ak-ˈti-və-tē\ noun
Examples of overactive in a sentence
She has an overactive bladder.
His crazy ideas are products of an overactive imagination.
First Known Use of overactive
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